They called me at work and when I said "Good afternoon ___ Corp" the lady on the other end abruptly said "we'll update our records, thanks".  

Tela scammer, Looking for donations. Do not answer.

Caller ID for this number said "unassigned." I picked phone up and did not say anything. A woman's voice started talking immediately saying she was a paid caller for a breast cancer research....and which time I interrupted to say, Please take me off your ...and there was a hang up.